Inside the Guaita, San Marino's oldest tower

The Guaita packs more of San Marino’s story into fewer square metres than anywhere else on the mountain. It’s the largest of the three towers, the oldest, and the only one where you can go from a sentry’s lookout to a prison cell in a couple of minutes. If I could pay for just one visit on Titano, this would be it, and here’s how I’d go round it.

A thousand years of keeping watch

The State Museums date its central core to the 11th century, which in their words makes it one of the oldest fortresses in Italy. It began as a lookout post and a refuge for the first people living on the mountain, and you can tell from the way it sits, right on the rock, at the edge of the drop. The State Museums also call it the Rocca or the First Tower.

The fortress has two rings of walls. Inside the second stand the bell tower, the old garrison quarters that later became cells, and the Penna tower. It all fits round a small courtyard, so the visit is easy on the legs and you won’t need a map.

What is there to see inside Guaita Tower?

I’d start at the top. The Penna tower is an old pentagonal watchtower rebuilt in the second half of the 15th century, and from up there you look north-east to the Cesta, the Second Tower, with Monte Conero in the distance, and across the plain that runs down to the Adriatic beaches. To the south rises Monte Carpegna. For me it’s the finest view in the fortress.

The bell tower came later, around the middle of the 16th century. Its great bell, the Campanone, summoned the town to defend itself, and from up there the whole town spreads out, with the Palazzo Pubblico and the Basilica. Look further out and you’ll spot Malatesta strongholds such as Verucchio in the Marecchia valley, which helps you understand who they were watching for.

Down in the courtyard are the cannons King Victor Emmanuel III gave in 1907, which the Guardia di Rocca still fires for salutes on national holidays. By the entrance is the Chapel of Saint Barbara, built in 1960 and dedicated to the patron saint of gunners. It takes a minute, but it completes the story of the guns.

A prison on top of a mountain

This is where the Guaita gets interesting for me. The old garrison quarters became the jail during the latter half of the 1700s and stayed that way until 1970, holding only those serving six months or less. Anyone sentenced to longer went to an Italian prison. A sovereign state that sends its long-term prisoners next door is exactly the sort of detail that explains San Marino better than any textbook. Since 1970 the jail has occupied a wing of the Capuchin convent, and its story carries on in San Marino prison.

The Guardia di Rocca itself was born here. The San Marino government dates it to 1754, when a small squad was formed to keep watch over the inmates of this fortress, and by 1762 it was also guarding the Palazzo Pubblico. What you may see on the square today started in this courtyard, and I go into it in the San Marino changing of the guard. The cells now host small temporary exhibitions, so what’s inside can change.

Tickets, hours and when to go up

The Guaita has no ticket of its own. You go in on the State Museums pass, €11 full price and €8 reduced, which also opens the second tower and the other public sites. Under-18s go free, and on World Tourism Day, 27 September 2026, nobody pays.

From that date the fortress opens 09:00 to 16:50, with the last tickets sold at 16:30. I’d go up first thing, because the site is small and I’d rather have the inner towers without the groups arriving from the coast. To be at the gate for 09:00 without a car, Hotel Rosa, right below it, and Hotel La Rocca, on the lane that climbs to the tower, are a few minutes away; the second has nothing to do with the fortress despite its name. If that’s not possible, I’d leave it for the final hour of the day, when the desk sells a €5 ticket for every site, in person only.

Fitting it into the towers walk

The Guaita is the natural starting point. It’s on the Salita alla Rocca, uphill from the historic centre, and sanmarinosite.com, a private site, reckons on a ten-minute walk from the upper stop of the San Marino cable car. When you come out, the battlemented Witches’ Passage takes you to the second tower in a few minutes.

How it fits with the other two, and with the path between them, is all in my walk through the Three Towers of San Marino. For collectors, look out for the 5-cent coin from San Marino’s first euro series, which according to the ECB shows this very tower.